Kelly Clarkson Slams Cheating Rumors, Says Lies Affect Her Two Stepchildren

Kelly Clarkson will not stand for lies about her marriage.

The singer and expectant mother took to Twitter to rant about the recent rumors swirling around her husband, Brandon Blackstock.

"Keep hearing random rumors of me & Brandon splitting or that's he's cheating on me. Stop with

The former American Idol star added, "False rumors don't bother me & Brandon but they do affect the lives of our 12 & 7 yr old.They're kids &don't get that people can print lies."

Blackstock responded to the allegations via Twitter as well.

When one fan wrote, "It's sad how low life's make up rumors about @BBlackstock," he responded, "But it makes for great reading while on the s--tter."

Meanwhile, Blackstock's ex-wife attested to his good character and said that the cheating rumors were "silliness."